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Apparatus and methods for providing humidity in respiratory therapy

  • US 8,602,025 B2
  • Filed: 11/21/2011
  • Issued: 12/10/2013
  • Est. Priority Date: 04/10/2006
  • Status: Active Grant
First Claim
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1. An apparatus for providing positive pressure respiratory therapy to a user, the apparatus comprising:

  • a flow generator configured to deliver pressurized air at an outlet;

    a user interface defining an interface passage in fluid communication with the outlet of the flow generator, the interface passage defining at least one vent, wherein the user interface also comprises a mask defining a chamber of the interface passage, the mask configured to attach to the user such that the chamber is in fluid communication with an airway of the user, wherein the pressurized air provided by the flow generator is delivered through the interface passage into the chamber of the mask for inhalation by the user; and

    a humidifier configured to introduce water into the interface passage at a location distal of both the flow generator and the at least one vent.

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